Sandy Hook Elementary School Shooting (2012)
Nanjing Massacre (1937)
Great Patriotic War Losses (WWII)
Alberta Wildfires (2016)
Rio de Janeiro Floods (2010)
Great Barrier Reef Bleaching
Bhopal Gas Tragedy (1984)
San Juan Earthquake (1944)
Semipalatinsk Nuclear Testing Impact
Algerian Civil War Casualties (1991-2002)